Home / 512,489,400.44-707,231,851.02-277,534,684.26

Finding the Fourth Proportional to 512,489,400.44, 707,231,851.02 and 277,534,684.26

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Solution

The fourth proportional to 512,489,400.44, 707,231,851.02 and 277,534,684.26 is: 382,995,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,489,400.44 : 707,231,851.02 = 277,534,684.26 : x
  2. Step 2: Convert to fraction form
    512,489,400.44/707,231,851.02 = 277,534,684.26/x
  3. Step 3: Cross multiply
    512,489,400.44x = 707,231,851.02 × 277,534,684.26
  4. Step 4: Simplify right side
    512,489,400.44x = 196,281,368,471,451,040
  5. Step 5: Solve for x
    x = 196,281,368,471,451,040/512,489,400.44
  6. Step 6: Final answer
    x = 382,995,957.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.